workflow.yml

# .github/workflows/nodejs.yml
name: Build and Deploy to Firebase

on: 
  push: # Run on Push Requests
    branches:
      - master
  
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [10.x] # Only run the 10.x build
    steps:
      - name: Checkout Repo
        uses: actions/checkout@master
      
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@master
        with:
          node-version: ${{ matrix.node-version }}
    
      - name: Install Yarn
        run: npm install -g yarn

      - name: Install Dependencies
        run: yarn install

      - name: Build
        run: yarn build

      - name: Create artifact dir
        run: |
          mkdir -p artifacts

      - name: Archive Produciton Artifacts
        uses: actions/upload-artifact@master
        with:
          name: build
          path: build

  deploy:
    name: Deploy to Firebase
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@master
      - name: Download Production Artifacts
        uses: actions/download-artifact@master
        with:
          name: build
      - name: Deploy to Firebase
        uses: w9jds/firebase-action@master
        with:
          args: deploy --only hosting
        env:
          FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}